2003-2024 Chevrolet Express Leak-Down Test Torque Specs

4.3L V6

Applies to 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, and 2024 Chevrolet Express

Labor Time:1.8 hours

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Torque Values (14 specifications)

Component	Nm	lb-ft	Notes
Air Box Clips	5	4	—
Air Box Clips	5	4	—
Bracket Bolts	20	15	—
Bracket Bolts	20	15	—
Cover Screws	11	8	—
Cover Screws	11	8	—
Mounting Bolts	27	20	—
Mounting Bolts	27	20	—
Oil Drain Plug	35	26	Use new crush washer
⚠️ Oil Drain Plug	35	26	Use new crush washer
Sensor Bolts	11	8	—
Sensor Bolts	11	8	—
Wheel Lug Nuts	140	103	Torque in star pattern
⚠️ Wheel Lug Nuts	140	103	Torque in star pattern

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Common Questions

What is the torque spec for leak-down test on a 2003-2024 Chevrolet Express?

The primary torque specification for leak-down test on a 2003-2024 Chevrolet Express is 5 Nm (4 lb-ft).

How many torque specs are there for Chevrolet Express leak-down test?

There are 14 torque specifications for leak-down test on the 2003-2024 Chevrolet Express 4.3L V6, covering all related fasteners and components.